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Weekend Mechanical Engineer Startup Jobs (NOW HIRING)

INFINTIUM INC

Mechanical Engineer

Greenville, SC · On-site

Our team brings together innovative mechanical design talent andexperienced green-energy engineers ... This is a hands-on, fastpaced role ideal for engineers whothrive in a startup environment and enjoy ...

Vinmar International

Mechanical Engineer

Lafayette, LA · On-site

Provide technical support during equipment commissioning, startup, and field deployment. * Ensure ... Bachelor's degree in Mechanical Engineering or a related field. * 2 or more years of mechanical ...

AXG Contracting

Be Seen First

Mechanical Engineer

Houston, TX · On-site

$160K - $170K/yr

Mechanical Engineer Clean Energy Company | Houston, Texas Our client is a rapidly growing clean ... Startup/commissioning experience.

CERTITEMP OF GEORGIA LLC

Mechanical Engineer

Macon, GA · On-site

$100K - $120K/yr

Local Macon Company is looking for a permanent Direct Hire Mechanical Engineer to join their team ... Lead the installation, commissioning, and startup of new equipment, while maintaining and ...

Neros Technologies

Mechanical Engineer

Torrance, CA

$100K - $160K/yr

This is a dynamic and exciting role at a rapidly growing startup and presents an opportunity to be ... Bachelor's degree in Mechanical Engineering or related field * 1-5 years of experience in fast ...

Mach Industries

Mechanical Engineer

Huntington Beach, CA · On-site

$105K - $180K/yr

With a workforce of approximately 220 employees , we operate with startup agility and ambition. Our ... Ability to support critical project milestones, including working extended hours or weekends ...

INFINTIUM INC

Mechanical Engineer

Greenville, SC · On-site

Our team brings together innovative mechanical design talent andexperienced green-energy engineers ... This is a hands-on, fast‑paced role ideal for engineers whothrive in a startup environment and ...

Neros Technologies

Mechanical Engineer

Torrance, CA · On-site

$100K - $160K/yr

This is a dynamic and exciting role at a rapidly growing startup and presents an opportunity to be ... Bachelor's degree in Mechanical Engineering or related field * 1-5 years of experience in fast ...

Monarch Quantum

Mechanical Engineer 3

San Diego, CA · On-site

$125K - $175K/yr

This is a dynamic, hands-on role for a self-starter who thrives in a fluid startup environment. You ... A bachelor's degree in mechanical engineering, Physics, or a related field. * Minimum of 5 years of ...

Monarch Quantum

Mechanical Engineer 3

San Diego, CA

$125K - $175K/yr

This is a dynamic, hands-on role for a self-starter who thrives in a fluid startup environment. You ... A bachelor's degree in mechanical engineering, Physics, or a related field. * Minimum of 5 years of ...

Monarch Quantum

Mechanical Engineer 3

San Diego, CA · On-site

$125K - $175K/yr

This is a dynamic, hands-on role for a self-starter who thrives in a fluid startup environment. You ... A bachelor's degree in mechanical engineering, Physics, or a related field. * Minimum of 5 years of ...

LaMotte Company

Mechanical Engineer

Newark, DE · On-site

Mechanical Engineer Department: R&D Reports To: Director of R&D Location: Newark, Delaware ... startup * Participates in or leads continuous improvement initiatives, design reviews, and ...

Samara Aerospace

Mechanical Engineer

San Francisco, CA · On-site

$130K - $150K/yr

Role: The Mechanical team at Samara is seeking a mechanical engineer to support the design ... paced startup environment. Responsibilities: * Design, analyze, procure, assemble, and test ...

Samara Aerospace

Mechanical Engineer

San Francisco, CA · On-site

$130K - $150K/yr

Role: The Mechanical team at Samara is seeking a mechanical engineer to support the design ... paced startup environment. Responsibilities: * Design, analyze, procure, assemble, and test ...

Carbery Group

Mechanical Engineer

West, TX · On-site

$105K/yr

Manage capital improvement projects from concept through startup * Interface with equipment vendors ... Ability to work on the plant floor and support off-shift or weekend installations as needed

Carbery Group

Mechanical Engineer

Chicago, IL · On-site

$105K/yr

Manage capital improvement projects from concept through startup * Interface with equipment vendors ... Ability to work on the plant floor and support off-shift or weekend installations as needed

Approach Venture LLC

Mechanical Engineer

El Segundo, CA · On-site

$110K - $150K/yr

Mechanical Engineer - Space-Based Interceptor Systems El Segundo, California | On-site Opportunity Summary A venture-backed aerospace and defense startup is developing next-generation space-based ...

Approach Venture

Mechanical Engineer

El Segundo, CA

$110K - $150K/yr

Mechanical Engineer - Space-Based Interceptor Systems El Segundo, California | On-site Opportunity Summary A venture-backed aerospace and defense startup is developing next-generation space-based ...

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All JobsWeekend Mechanical Engineer Startup Jobs

Weekend Mechanical Engineer Startup information

See salary details

$45.5K

$102.9K

$166.5K

How much do weekend mechanical engineer startup jobs pay per year?

As of Jun 11, 2026, the average yearly pay for weekend mechanical engineer startup in the United States is $102,878.00, according to ZipRecruiter salary data. Most workers in this role earn between $81,500.00 and $126,500.00 per year, depending on experience, location, and employer.

What unique challenges can a Weekend Mechanical Engineer face in a startup environment, and how can they effectively manage their responsibilities?

Weekend Mechanical Engineers in startups often encounter the challenge of balancing rapid project timelines with limited resources and support during off-peak hours. Unlike larger organizations, startup teams are typically small, requiring engineers to be adaptable and proactive in problem-solving, often working independently or with minimal supervision. Clear communication with the weekday team is crucial to ensure continuity and avoid duplication of work. Embracing flexibility, documenting progress meticulously, and utilizing collaborative tools can help manage these unique responsibilities effectively.

What are Weekend Mechanical Engineer Startup jobs?

Weekend Mechanical Engineer Startup jobs are roles in which mechanical engineers work for startups, often on a part-time basis during weekends. These positions typically involve tasks such as product design, prototyping, testing, and problem-solving to support a startup's engineering needs. Working on weekends allows professionals to contribute to innovative projects without conflicting with their weekday commitments. These jobs are ideal for engineers looking to gain experience in the startup environment, collaborate on new technologies, or supplement their income. Startups often seek weekend talent to accelerate development while managing costs and leveraging diverse expertise.

What is the difference between Weekend Mechanical Engineer Startup vs Weekend Mechanical Technician?

AspectWeekend Mechanical Engineer StartupWeekend Mechanical Technician
Required CredentialsBachelor's in Mechanical Engineering, possibly PE licenseAssociate's or technical diploma in Mechanical Technology
Work EnvironmentDesign, development, and project planning in startup settingsMaintenance, troubleshooting, and repair in industrial or manufacturing facilities
Employer & Industry UsageStartups, engineering firms, manufacturingFactories, maintenance companies, industrial plants

The Weekend Mechanical Engineer Startup typically requires a formal engineering degree and focuses on design and project planning, while the Weekend Mechanical Technician emphasizes hands-on maintenance and repairs. Both roles are common in industrial settings but serve different functions within the industry.

What are the key skills and qualifications needed to thrive as a Weekend Mechanical Engineer in a Startup, and why are they important?

To excel as a Weekend Mechanical Engineer in a startup, you need a solid background in mechanical engineering principles, a relevant engineering degree, and hands-on experience with prototyping and design. Familiarity with CAD software (like SolidWorks or AutoCAD), rapid prototyping tools, and possibly certifications such as EIT or PE are highly valuable. Strong problem-solving abilities, flexibility, and effective communication are crucial soft skills, especially in a dynamic startup environment. These skills and qualifications are important because they enable engineers to quickly adapt, innovate, and contribute to product development in fast-paced, resource-constrained settings.
What cities are hiring for Weekend Mechanical Engineer Startup jobs? Cities with the most Weekend Mechanical Engineer Startup job openings:
What are the most commonly searched types of Mechanical Engineer Startup jobs? The most popular types of Mechanical Engineer Startup jobs are:
What states have the most Weekend Mechanical Engineer Startup jobs? States with the most job openings for Weekend Mechanical Engineer Startup jobs include:
Weekend Mechanical Engineer Startup jobs near you
Mechanical Engineer

Mechanical Engineer

INFINTIUM INC

Greenville, SC • On-site

Full-time

Posted 13 days ago

Job description

About Infintium

Infintium is pioneering the future of clean energy bydeveloping advanced hydrogen fuel cell technology for demanding industrialapplications. Our team brings together innovative mechanical design talent andexperienced green-energy engineers to rethink how hydrogen power is delivered.The result is a growing portfolio of best-inclass, robust, and scalable fuelcell solutions.

As we continue to expand our hydrogen fuel cell product lineand enter new markets, we are seeking a highly motivated Mechanical Engineer tocontribute to new product development, prototype testing, and lifecycleimprovements. This is a hands-on, fastpaced role ideal for engineers whothrive in a startup environment and enjoy working closely with crossfunctionalteams.

ResponsibilitiesNew Product Development

      Design and develop mechanical andelectromechanical components and systems for hydrogen fuel cell units.

      Create 3D models, assemblies, and detaileddrawings using SolidWorks.

      Manage engineering files, revisions, andconfiguration control using PLM tools.

      Participate in preliminary, critical, andcrossfunctional design reviews.

      Contribute to DFMEA activities and riskmitigation efforts.

      Develop BOMs and maintain accuracy throughoutthe product lifecycle.

      Support design release activities incollaboration with Quality, Manufacturing, and Purchasing teams.

Prototype Development,Testing & Validation

      Build, test, and validate prototype componentsand systems.

      Develop test protocols and validation plans forcomponents and complete products.

      Analyze test data, prepare documentation, andcommunicate results to engineering leadership.

Lifecycle Engineering &Continuous Improvement

      Support fielded units and customer service teamswith troubleshooting and rootcause analysis.

      Drive costreduction initiatives and identifyopportunities for product improvement.

      Lead engineering change notices (ECNs) andupdate documentation as products evolve.

      Propose design enhancements that improveperformance, manufacturability, or reliability.

Required Qualifications

      Bachelor's degree or higher in MechanicalEngineering.

      3-7 years of experience in mechanical design,new product development, or related engineering environments.

      Strong analytical, problemsolving, anddatainterpretation skills.

      Excellent written and verbal communicationabilities.

      Ability to work handson in prototyping andtesting environments.

      Demonstrated desire to learn, adapt, and growwithin a dynamic engineering team.

Desired Skills &Experience

      Experience working in manufacturingenvironments, particularly assemblybased production.

      Proficiency in SolidWorks 2023+ (CSWAcertification a plus).

      Selfstarter with the ability to independentlydrive engineering tasks and projects.

      Knowledge of thermal systems, lowvoltageelectrical systems, and common manufacturing materials.

      Experience with design for manufacturabilityacross sheet metal, injection molding, metal casting, CNC machining, and rapidprototyping.

      Experience performing FEA or CFD simulations.

      Experience with PEM fuel cell systems (preferredbut not required).

Why Join Infintium?

      Opportunity to contribute directly tonextgeneration cleanenergy products.

      Fastpaced, collaborative startup environmentwith significant ownership of projects.

      Handson engineering work from concept throughfield deployment.

      Missiondriven culture focused on innovation andsustainability.

Employment Type: FULL_TIME

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